Introducing OneSeal Products: Patch and Repair in a Can

Introducing the OneSeal family, easy-to-use aerosol products that are designed to clean, prime, and seal small holes and tears in roofs and walls.

Most Experienced Field Organization, Excellent Customer Satisfaction

Almost 700 highly trained sales and service professionals in the U.S. and Canada help "keep good roofs, and good buildings, good" for our customers through renovation, restoration and maintenance, as well as through new construction. You can see proof of that dedication in our exceptional customer satisfaction results.

Maximizing Your Facility's ROI

Our goal is to help building owners maximize the return on their facility investments through project planning and firm budgeting; a complete line of exceptional solutions; preventive maintenance; general contracting and construction management services; and support for energy, air and water management.

Safety is our Highest Priority

We fully recognize what is at stake in construction and renovation projects. Job site safety grounded in proper training is without question our highest priority. We never leave the safety and security of employees, installation teams and others who are on site to chance.

Committed to Supporting Our Customers' Sustainable Objectives

We have developed products and services that anticipate the growing demand of our customers for more sustainable facilities, ones that last longer, use less energy, have lower carbon output or in other ways contribute to a healthier planet.

News & Events

The latest information about Tremco Roofing and Building Maintenance, WTI and Canam.

Roofing & Weatherproofing Peace of Mind

We deliver peace of mind to building owners and facility managers by managing roofing and building life cycles for customers in all industries, including education, healthcare, government, manufacturing and more.

  • Tremco Roofing offers the industry's most comprehensive roofing and weatherproofing solutions for restoration, repair, maintenance, replacement and new construction.
  • WTI (Weatherproofing Technologies, Inc., a subsidiary of Tremco Incorporated), provides roofing services, construction management and general contracting.
  • Our Canam Building Envelope Specialists affiliate provides building envelope solutions to eliminate air leaks, improve energy efficiency and reduce costs.


US: 1.800.852.6013

Canada: 1.800.668.9879